widest fitment for stock wheels

JtBlk M3 · 11-14-2011, 06:23 PM

hey guys, whats the widest tire you can go with for the stock 18's? the stock tires are 265. thanks

snowmants · 11-14-2011, 07:41 PM

275 will square up the shoulder and going to a 285 will start to bubble out a bit. I personally wouldn't go wider than 285 in the back on a 9.5 inch wide wheel. 275 is probably better looking.

pbonsalb · 11-14-2011, 07:41 PM

285/35/18 is the widest you can go and still be within the recommended wheel width with stock 18 x 9.5 rear tires. But on one of these cars, you probably do not want to run the minimum wheel width for a tire. I would choose 275/35/18 or 275/40/18 instead. You can see the recommended and measured wheel widths in the specs section for a tire at the Tire Rack website.

I chose to run wider wheels, 18 x 9.5/10.5, which I will fit with 265/35/18 and 285/35/18 tires. One inch wider wheels and nearly one inch wider tires.

11-14-2011, 06:23 PM	#1
JtBlk M3 JtBlk M3 19 Rep 118 Posts Drives: BMW E92 M3 DCT Join Date: Dec 2010 Location: Forest Hills iTrader: (0)	widest fitment for stock wheels hey guys, whats the widest tire you can go with for the stock 18's? the stock tires are 265. thanks
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11-14-2011, 07:41 PM	#2
snowmants Captain 46 Rep 637 Posts Drives: '06S2K,'11EVO,'11Jeep,'13GL450 Join Date: Mar 2011 Location: Charlottesville, VA iTrader: (1) Garage List 2008 BMW E90 M3 [10.00]	275 will square up the shoulder and going to a 285 will start to bubble out a bit. I personally wouldn't go wider than 285 in the back on a 9.5 inch wide wheel. 275 is probably better looking. __________________ '06 Honda S2000 #555 TT5 '16 Porsche GT4
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11-14-2011, 07:41 PM	#3
pbonsalb Lieutenant General 5228 Rep 10,614 Posts Drives: 18 F90 M5, 99 E36 M3 Turbo Join Date: Feb 2011 Location: New England iTrader: (4)	285/35/18 is the widest you can go and still be within the recommended wheel width with stock 18 x 9.5 rear tires. But on one of these cars, you probably do not want to run the minimum wheel width for a tire. I would choose 275/35/18 or 275/40/18 instead. You can see the recommended and measured wheel widths in the specs section for a tire at the Tire Rack website. I chose to run wider wheels, 18 x 9.5/10.5, which I will fit with 265/35/18 and 285/35/18 tires. One inch wider wheels and nearly one inch wider tires.
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